##
## ======================================================================================
## Dependent variable:
## -------------------------------------
## Number of un-identified sp varieties
## (1) (2)
## --------------------------------------------------------------------------------------
## Distance to the nearest research or trial center 0.0002***
## (0.00003)
##
## Distance to the nearest trial center only 0.00002
## (0.00002)
##
## Constant 10.265*** 14.409***
## (1.407) (1.315)
##
## --------------------------------------------------------------------------------------
## Observations 108 108
## R2 0.153 0.010
## ======================================================================================
## Note: *p<0.1; **p<0.05; ***p<0.01##
## =====================================================================================
## Dependent variable:
## ------------------------------------
## Share of un-identified sp varieties
## (1) (2)
## -------------------------------------------------------------------------------------
## Distance to the nearest research or trial center 0.00000***
## (0.00000)
##
## Distance to the nearest trial center only -0.00000
## (0.00000)
##
## Constant 0.338*** 0.505***
## (0.034) (0.033)
##
## -------------------------------------------------------------------------------------
## Observations 108 108
## R2 0.236 0.0002
## =====================================================================================
## Note: *p<0.1; **p<0.05; ***p<0.01##
## ===================================================================================
## Dependent variable:
## ----------------------------------
## Number of identified sp varieties
## (1) (2)
## -----------------------------------------------------------------------------------
## Distance to the nearest research or trial center -0.0001***
## (0.00004)
##
## Distance to the nearest trial center only 0.00001
## (0.00002)
##
## Constant 19.811*** 14.384***
## (1.620) (1.472)
##
## -----------------------------------------------------------------------------------
## Observations 108 108
## R2 0.099 0.004
## ===================================================================================
## Note: *p<0.1; **p<0.05; ***p<0.01